package com.lu.pojo.base;


import java.util.*;

/**
 * @Author:luzhenfang
 * @Date:2020 3 10
 */
public class Convert {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        char ch =sc.nextLine().charAt(0);
        // 设定 规则
        List<Object> list = new ArrayList<>();
        list.add('a');
        list.add('b');
        list.add('c');
        list.add('d');
        list.add('e');
        // 判断 是大写还是小写
        /*
            if(ch>=97&&ch<103)
        */
        if (list.contains(ch)){
            ch-=32;
            System.out.println(ch);
        }else{
            System.out.println("other");
        }
    }
}
